Mercedes AMG vs Porsche: Who’s Fastest? 900HP AMG GTR vs 860HP GT3 RS! Drag & Track by turboandstance - August 2, 2026 Mercedes-AMG and Porsche go head-to-head in one of the most exciting German performance battles yet. From the razor-sharp Porsche 718 Cayman GT4 RS to the monstrous 900HP AMG GTR, each matchup is settled with quarter-mile runs, drag races and high-speed roll races. Tuned SUVs like the 800HP Porsche Cayenne Turbo GT and 830HP Mercedes GLE 63S also join the action, proving that family haulers can deliver supercar-level acceleration. Which brand truly deserves the crown? Will Porsche’s precision and naturally aspirated performance outperform AMG’s brutal twin-turbo V8 power, or will Mercedes fight back when it matters most? Watch every launch, every gear change and every photo finish as these incredible German machines battle for ultimate bragging rights. For more content like this one follow us also on Facebook, Pinterest or Instagram!